Motor-driven chain saw



FIG. 1 is a perspective view of a motor-driven chain saw showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view of a first side thereof;

FIG. 4 is a side elevation view of a second side thereof;

FIG. 5 is a rear elevation view of said motor-driven chain saw;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a motor-driven chain saw, as shown and described. 